Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

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Sophos Firewall: v20.0 GA: Feedback and experiences

Release Post:  Sophos Firewall v20 is Now Available  

The EAP Post:  Sophos Firewall: v20.0 EAP1: Feedback and experiences  

The old V19.5 MR3 Post:  Sophos Firewall: v19.5 MR3: Feedback and experiences  

To make the tracking of issues / feedback easier: Please post a potential Sophos Support Case ID within your initial post, so we can track your feedback/issue. 

Release Notes:  https://docs.sophos.com/releasenotes/output/en-us/nsg/sf_200_rn.html 



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  • In the release notes it was mentioned, that Heartbeat false positives have been reduced: "Synchronized Security has also been enhanced with added scalability and reduced false missing heartbeats for devices that are in a sleep or hibernate state."

    After upgrading to SFOS 20 we still see the same amount of false positives concerning "missing hearbeat" alerts as with v19.x before.

    Can anyone confirm that in v20 anything has changed here to the better and what one can do to improve the situation? Our workaround currently is to avoid S0 (modern standby) as much as possible, but this is not a very convenient solution and is not applicable to every device (MacOS for example).

    Thanks for any comments.

    Hans

  • Hi Hans,

    Thanks for your post.

    To avoid false missing heartbeat alerts due to modern standby, changes are needed on both SFOS and Endpoint.
    SFOS 20.0 has these changes. Similarly Windows Endpoint also made the necessary changes and are available to customers with latest version, which is being rolled out.
    MacOS Endpoint changes are in pipeline and will be available in future.

    Hope this answers your query.

    Thanks,
    Vamsee

  • Hi Vamsee,

    thanks a lot for your prompt reply!

    Can you specify which Endpoint version it needs to get the changes that you mention?

    All our Windows clients currently run

    Core Agent 2023.1.3.6
    Sophos Intercept X 2023.1.1.7

    Is there anything newer out yet?

    Best,

    Hans

  • Hi Hans,

    Core Agent 2023.2 is being rolled out in a phased manner.

    Thanks,
    Vamsee

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